Online book sales continue to increase in popularity because it is convenient and customers can find books that are not available in their local bookstores. Today, you will investigate several aspects of the book business using nonlinear functions.

The physical fitness of an athlete is often measured by how much oxygen the athlete takes in (which is recorded in milliliters per kilogram, ml/kg). the mean maximum oxygen uptake for elite athletes has been found to be 60 with a standard deviation of 7.2. assume that the distribution is approximately normal.

Atemperature of 1.64◦f corresponds to answer in units of ◦c.

Boris needs to buy plastic spoons. brand a has a box 42 spoons for $2.37. brand b has a box of 72 spoons for $3.57. find the unit price for each brand. then state which brand is the better buy based on the unit price. round your answer to the nearest cent.